Can't accuse them of being incompetent if the law requires them to behave this way.
The law doesn't require them to behave this way. They have implemented their own system that is more draconian than the DMCA so they don't have to deal with entertainment industry lawyers.
It's not so they have to deal with entertainment industry lawyers, it's to minimize the labor costs of compliance.
Or more likely - all of the above.
Well, law enforcement agencies are required to take reports of violent crimes seriously.